Wall blackboard construction



Sept. 28, 1937. P. D. PEcK ET Al.

WALL BLACKBOARD CONSTRUCITION Filed May 13, 1935 2 Sheets-Sheet l P Mgg; @Hd/x7 Q Sept. 28, 1937. P. D. PECK ET Al. 2,094,551

WALL BLACKBOARD CONSTRUCTION Filed May 13, 1335 2 Sheets-Sheet 2 lq/.3., I 'Em/4 3F. theiarrows f Patented Sept. Z8, 1937 WALL BLACKBOARD CONSTRUCTION Percy D. Peck and AlbertL..Lloyd, Joliet, Ill.,

assignors to Knapp Brothers Manufacturing' Company, Joliet, Ill., a corporation of illinoisy .Application May 13, 1935, Serial No. 21,086

11 Claims.

invention relates to a wall blackboard construction and concerns itself primarily with af sheet metal construction designed to hold a bulletin board and a blackboard.

.It is anv` object of this invention to provide such asheet metal construction that has suitable provisionswfor receiving a bulletin board and a blackboard'and tc` which the` same can be easily andquickly secured.

It is a'further object of this invention to provide means for readily. shedding dustcr dirt from suchboards in order to prevent the accumulation"thereofl inthe immediate region thereof.

VVl/Titi; these yandyother objects. in View as will laterappear, this yinvention comprises the novel structure, and combination` ofv parts hereinafter described and more particularly pointed out and defined 'in the ,appended claims.

Iii-'v the vaecornplariying drawings which illustratea I.preferred.,form of this invention and in which similarre'ference numerals refer to similargfeatures" in the different views:

Figure Y`1 .is..a` fragnentary elevational view of a sheet vmetal wallcon'structi'on. involving this inventiva f a .Y

' 4fgure 2, is a sectional view taken upon the lines II-f-if'offliigure 1 looking.Y in the direction ofv the arrow@ v .Eigurer islan enlarged fragmentary sectionalview taken in the same plane as Figure 2.

Figure 4 is an enlarged fragmentary sectional view ofthe lower portion of Figure 2.

. ,-liigurev is a sectional View taken upon the line-V-, V of lFigure 1 looking in the direction of In the .drawings, .there is shown a wall comprisingfthelaths I and plaster .2 to which a -sheet metal structure involving this inventionwis secured. To thiswalL there'isvsecured a sheet i metal-plate3 having an inwardly .offse-tilanged portionpembeddedin the plaster-2` and secured toraylathilqn The upper end of the plate 3 is` bentat'; arightangle to provide a horizontal sup-V porting ange-'forzthe flange 6 vof a sheet metal 4 f wallffmemrberxl. "An eraser 'trough 4 comprising a-lowerange.4ais'secured to the flange 6 and supportedI thereby.-v This trough Y4- has an up-v wardly inclined portionllb terminating in a rib end. Within this troughmaybe placed an eraser tralyl;v r'I he flange 6' terminates inanV upright 4c'whieh-me`rgesinto a depressed portion to form theitroughwhi'ch has a vertical flange at its inner r angles as indic'atedrat I0 to provide asu'pport' for the flange 4d of the trough member. The Vsupport It terminates in a vertically kdirected portion lI which is inwardly stepped as indicated at I2 at the upper portion thereof. The stepped portion terminates in a horizontal flange i3 which in turn merges into a verticalange I4. The flanges I3 and I4 form the lower portion of a recess for receiving and supporting the blackboard 8. The flange I4 is inwardly offset and attached to a wall lath by nails I5 or the like.

The upper portion of the blackboard recess is formed by a sheet metal plate It. The lower portion of the plate I6 is attached to a lath I by nails I l. Beyond the attached portion of the plate It the same, is outwardly oiiset to clear the plaster as indicated at I8. The portion I8 is in alinement with the portion I4, and is bent outwardly at a right angle as indicated at I 9 toprovide the top wall for the blackboard recess.

The right angled portion terminates in a vertical portion 2li having an outwardly` oiset rectangular portion 2|. The upper portion of the member 20 terminates in a right angular portion comprising a horizontal flange 22 and a vertical fiange 23that form the lower portion of a recess fora bulletin board 24. The flange 23 isinwardly offset4 andv attached to a lath l.

The upper portion of the recess for the bulletin i board 24 is formed by a sheet metal member 25.

which. is attached at its lower end to a lath Iv of the wall. Beyond the attaching portion, the member 25 is outwardly offset to clear the plaster 2 as indicated at 2E. The portion 26 merges into a horizontal portion zlthat forms the top wall of the recess.

The horizontal ange 2l' merges into a vertical portion 28 which terminatesl in an outwardly directed flange 29. The portion 29 connects with a vertical indented portion 3i) that is inwardly offset at'its upper end and attached to alath l.

The blackboard 8 is clamped in its recess by a lower metal strip 3! that is attached to thesheet metal member 3. It willv be noted that the strip 3| has a curved portion 32 contacting with the blackboard to guide the dust therefrom. The

strip 3l curves outwardly intermediate itsends 35 also prevents the accumulation of dirt and dust.

The upper portion of the bulletin board is clamped in place by a sheet metal channel member 38 which abuts the flange 29 and is bolted to the portion 28.

The side edges of the plates 3 and 25 are cu on a bias as shown in Figure 1. Suitable side plates are provided for cooperating with the side edges of the plates 3, i6, and 25 to provide a symmetrical metal frame around said boards. One of these side plates which are similar in all ref spects is shown in Figure 1. It will be noted that it consists of a metal plate 39 having upper and lower biased edges tting against the biased edges of the plates 3 and 25. The ends of the members S5 and 38 are also biased and clamping members 4U with biased or mitered ends are secured between the members 35 and 38. In referring to Figure 5, it will be noted that the member 4i] is of a lower elevation than the member 35 which is flanged or swaged down as indicatedrat 4I to provide a closed joint therebetween. End clamping members 42 are also secured between the members 3l and 34. With reference to Figure 5,

it will be noted that the plate 39 forms the suplittle effort and time, and due to the construction Y of certain features it will easily shed the dirt and dust and present a neat and pleasing appearance. It will be appreciated that in assembling the structure upon a w-all, the plates 3, l5, and 25 are first attached to laths l. The plaster may then be applied before the boards 8 and 24 are fastened in place. The spacing of the plates 3, le and 25, allowing the plaster rearwardly of the boards to be applied. It will be noted that the offsets of the attaching flanges are perforated as indicated at 44 to allow the plaster to pass therethrough for entering between the laths I. In setting the boards 8 and 24 a resilient hair backing 43 may be used if desired. According to this construction, the plaster in the rear of the boards provides a rm backing for the boards and supports the sheet metal construction from flexing inwardly when force or pressure is directed against the boards.

We are aware that many changes m-ay be made and numerous details of construction may be varied through a wide range without departing from the principles of this invention, and we therefore do not purposeY limiting the patent granted hereon otherwise than necessitated by the prior art and the scope of the'claims.

We claim as our invention: l. In a sheet metal construction for blackboards forming part of a wall, a plurality ofsheet metal members having their upper and lower ends inwardly oifset and secured in spaced relation tomembers of s-aid wall, whereby plaster may be ap-plied between and over said spaced ends, the adjacent portions of said members beyond said secured ends being depressed to provide a recess, and means for clamping a blackboard in said recess.

2. In a sheet metal construction adapted for retaining articles and forming part of a wall, the combination with wall members, of an upper sheet metal member having its upper and lower ends inwardly offset and provided with attaching flanges secured to cert-ain of said wall mem- Vsecuring the upper end bers, a lower sheet metal member havingY its upper end inwardly offset and provided with an attaching flange secured to one of said wall members, and an intermediate sheet metal member having its upper and lower ends inwardly offset and provided with attaching Vflanges secured to certain of said wall members in spaced relation to the upper and lower sheet metalmembers, the adjacent parts of said sheet metal members having depressed portions and the depressed portions of the intermediate member cooperating with the depressed portions of the upper and lower sheet metal members ad-apted for retaining articles. Y Y

3. In -a sheet metal construction adapted for retaining a board and forming part of a wall, a lower sheet metal supporting member having a lower inwardly offset ange secured to a member of thewall, and having anV upper horizontal supporting flange, a sheet metal panelmember flange and having an upper inwardly stepped portion provided with Van attaching flangeV secured to a wall member, an eraser trough having a flange secured to the lower flange of said panel member, and an upper panel member having an inwardly offset portion provided with an attaching flange secured to a wall memberV in spaced relation to the first panel Ymember, said panel members havingdepressionsl that cooperate for receiving and sustaining a board. i

4. In a sheet metal construction for blackboards forming part of a wall, a lower metal member attached to a member of said Wall and having -an upper inwardly directed horizontal flange, a Vsheet metal panel member having a flange resting uponsaid horizontal flange and having a shoulder above said flange,-an eraser trough having spaced parts, Aone of said partsrbe- 4 ing secured to the lowerY flange of said Apanel member and the other part being in `supporting engagement with said shoulder,- andv means l:for of said panel member to a wall member.V l

5. In a sheet metal construction yfor' 'black-: boards adapted for forming. partof a wal1,'a sliieetA metal panel member having'V an outwardly. di-

rected angular offset portion and an eraser trough'- having spaced parts embracing said yoffset p'ortion and secured thereto.V 'n v I 6. In a sheet metal construction fora blackboard adapted for forming p art of a wall, a pair'v of sheet metal panel members secured to mem-V bers of said wall in opposed spaced relatiom'each panel member having/a recess,rsaidrecesses coop-l erating to form a cavity for Areceiving a board,

one of said panelmembers havingan outwardlyoffset angular portion and an eraser trough hav ing vparts embracing said offset portion.

'7. In a sheet metal construction formingpart of a wall, an upperpanel member 'having'inf wardly offset flanges attached to a wall member,

a lower sheet metal panel vmember 'havir'ig'anj upper inwardly offset flangesecured toa mem-AY ber of said wall, an intermediate'panel member having its upper and lower ends inwardly `offset* and secured to members of said wall in'spaced relation to the upper and lower'panel members,Y

said intermediate and upper and lower -members having confronting depressionsv ,forming recesses adapted for retaining articles. u

.memben means for securing the lower end of saidV member to a member of said wall, said sheet metal Meckl' member having an inwardly oiset portion forming a board receiving recess, said inwardly offset portion terminating in an inwardly offset ange secured to a member of said wall, an upper sheet metal member having a lower inwardly offset portion forming a recess that cooperates with the other recess for receiving a board and having an inwardly offset ange below said offset portion secured to a wall member in spaced relation to the attaching flange of the other member, means for anchoring the upper end of said upper member to the Wall, and lateral sheet metal members upon the side edges of said members.

9. In sheet metal construction for blackboards forming part of a wall, a pairof sheet metal members having inwardly offset attaching 'flanges attached to members of said Walls in spaced relation, the offsets of said flanges being perforated to allow plaster to pass therethrough, said members having confronting depressions forming a recess for a blackboard, a blackboard in said recess and means for clamping the same therein.

10. In a sheet metal construction for a blackboard forming part of a wall, a lower sheet metal member having an upper offset portion forming a recess, said offset portion being offset to provide an attaching flange, an upper sheet metal member having a lower oiset portion forming a recess in opposed relation to the other recess, the offset portion of said upper member being offset to form an attaching flange, means for securing said flanges in spaced relation to wall members, the offsets of said attaching anges having perforations for the passage of plaster, means for securing the remote ends of said members to the wall, and frame members secured to the edges of said members.

11. In a sheet metal construction for black--y boards forming part of a Wall, a pair of sheet.

metal members arranged in vertical relation and having their adjacent ends inwardly offset to provide attaching flanges secured in opposed relation to members of said wall whereby plaster may be 

